Two strings , one thick and other thin are connected as shown in Fig. 7.89.
Which of the following statement(s) is correct with regard to above arrangement?

Options

A. (a)If a wave is travelling fom string 1 to string 2 , then the joint would be treated as free end.
B. (b)If a wave is travelling fom string 1 to string 2 , then the joint would be treated as a fixed end.
C. (c)If a wave is travelling fom string 2 to string 1 , then the joint would be treated as free end.
D. (d)Both (b) and ( c) are correct.

Answer

A

Explanation

string `1` is heavy so it can easily pull up the lighter string `2` , while string `2` being lighter would not be able to displace the point.